The demonologist, Andrew Pyper

During a visit to Venice, Professor David Ullman -- one of the world's leading authorities on demonic literature -- witnesses a terror in a tiny attic room. Then his 11-year-old daughter Tess disappears before his eyes. Now he will go to any length to find his daughter and confront an unspeakable darkness along the way

During a visit to Venice, Professor David Ullman -- one of the world's leading authorities on demonic literature -- witnesses a terror in a tiny attic room. Then his 11-year-old daughter Tess disappears before his eyes. Now he will go to any length to find his daughter and confront an unspeakable darkness along the way